James A Leacock, Age 9317 Birch Rd, Watertown, MA 02472
James Leacock Phones & Addresses
Watertown, MA
48 Oxford Ave #3, Belmont, MA 02478
375 Marlborough St, Boston, MA 02115 (617) 262-1366
Dummerston, VT
West Dummerston, VT
New York, NY
375 Marlborough St APT 1, Boston, MA 02115 (617) 291-3633
Work
Position:
Production Occupations
Education
Degree:
High school graduate or higher
Mentions for James A Leacock
Publications & IP owners
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Hamble James Leacock
Hamble James Leacock (1795-1856) was an African missionary. He was born in Barbados, where his ...
Us Patents
Conductive Thermosets By Extrusion
US Patent:
7566749, Jul 28, 2009
Filed:
Aug 31, 2005
Appl. No.:
11/218209
Inventors:
Alan Fischer - Cambridge MA, US
Timothy Jozokos - Pelham NH, US
James Leacock - Boston MA, US
Andrew Rich - Hanover MA, US
Timothy Jozokos - Pelham NH, US
James Leacock - Boston MA, US
Andrew Rich - Hanover MA, US
Assignee:
Hyperion Catalysis International, Inc. - Cambridge MA
International Classification:
C08K 3/04
US Classification:
524496, 524495
Abstract:
Methods of preparing conductive thermoset precursors containing carbon nanotubes is provided. Also provided is a method of preparing conductive thermosets containing carbon nanotubes. The carbon nanotubes may in individual form or in the form of aggregates having a macromorpology resembling the shape of a cotton candy, bird nest, combed yarn or open net. Preferred multiwalled carbon nanotubes have diameters no greater than 1 micron and preferred single walled carbon nanotubes have diameters less than 5 nm. Carbon nanotubes may be adequately dispersed in a thermoset precursor by using a extrusion process generally reserved for thermoplastics. The thermoset precursor may be a precursor for epoxy, phenolic, polyimide, urethane, polyester, vinyl ester or silicone. A preferred thermoset precursor is a bisphenol A derivative.
Conductive Thermosets By Extrusion
US Patent:
7910650, Mar 22, 2011
Filed:
Aug 20, 2007
Appl. No.:
11/841596
Inventors:
Alan Fischer - Cambridge MA, US
Timothy Jozokos - Pelham NH, US
James Leacock - Boston MA, US
Andrew Rich - Hanover MA, US
Timothy Jozokos - Pelham NH, US
James Leacock - Boston MA, US
Andrew Rich - Hanover MA, US
Assignee:
Hyperion Catalysis International, Inc. - Cambridge MA
International Classification:
C08K 3/04
US Classification:
524495, 524496
Abstract:
Methods of preparing conductive thermoset precursors containing carbon nanotubes is provided. Also provided is a method of preparing conductive thermosets containing carbon nanotubes. The carbon nanotubes may in individual form or in the form of aggregates having a macromorpology resembling the shape of a cotton candy, bird nest, combed yarn or open net. Preferred multiwalled carbon nanotubes have diameters no greater than 1 micron and preferred single walled carbon nanotubes have diameters less than 5 nm. Carbon nanotubes may be adequately dispersed in a thermoset precursor by using a extrusion process generally reserved for thermoplastics. The thermoset precursor may be a precursor for epoxy, phenolic, polyimide, urethane, polyester, vinyl ester or silicone. A preferred thermoset precursor is a bisphenol A derivative.
Thermosets Containing Carbon Nanotubes By Extrusion
US Patent:
8163831, Apr 24, 2012
Filed:
Feb 8, 2011
Appl. No.:
13/023095
Inventors:
Alan Fischer - Cambridge MA, US
Timothy Jozokos - Pelham NH, US
James Leacock - Boston MA, US
Andrew Rich - Hanover MA, US
Timothy Jozokos - Pelham NH, US
James Leacock - Boston MA, US
Andrew Rich - Hanover MA, US
Assignee:
Hyperion Catalysis International, Inc. - Cambridge MA
International Classification:
C08K 3/04
US Classification:
524495, 524496
Abstract:
Methods of preparing conductive thermoset precursors containing carbon nanotubes is provided. Also provided is a method of preparing conductive thermosets containing carbon nanotubes. The carbon nanotubes may in individual form or in the form of aggregates having a macromorpology resembling the shape of a cotton candy, bird nest, combed yarn or open net. Preferred multiwalled carbon nanotubes have diameters no greater than 1 micron and preferred single walled carbon nanotubes have diameters less than 5 nm. Carbon nanotubes may be adequately dispersed in a thermoset precursor by using a extrusion process generally reserved for thermoplastics. The thermoset precursor may be a precursor for epoxy, phenolic, polyimide, urethane, polyester, vinyl ester or silicone. A preferred thermoset precursor is a bisphenol A derivative.
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